src/java/org/mxchange/jcontacts/contact/PizzaContactSessionBean.java

   1 /*
   2  * Copyright (C) 2016 Roland Haeder
   3  *
   4  * This program is free software: you can redistribute it and/or modify
   5  * it under the terms of the GNU Affero General Public License as
   6  * published by the Free Software Foundation, either version 3 of the
   7  * License, or (at your option) any later version.
   8  *
   9  * This program is distributed in the hope that it will be useful,
  10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  * GNU Affero General Public License for more details.
  13  *
  14  * You should have received a copy of the GNU Affero General Public License
  15  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  16  */
  17 package org.mxchange.jcontacts.contact;
  18
  19 import java.text.MessageFormat;
  20 import java.util.Iterator;
  21 import java.util.List;
  22 import java.util.Objects;
  23 import javax.ejb.Stateless;
  24 import javax.persistence.NoResultException;
  25 import javax.persistence.Query;
  26 import org.mxchange.jcontacts.contact.utils.ContactUtils;
  27 import org.mxchange.jcontacts.exceptions.ContactNotFoundException;
  28 import org.mxchange.pizzaaplication.database.BasePizzaDatabaseBean;
  29 /**
  30  * A contact EJB
  31  * <p>
  32  * @author Roland Haeder<roland@mxchange.org>
  33  */
  34 @Stateless (name = "contact", description = "A bean handling contact data")
  35 public class PizzaContactSessionBean extends BasePizzaDatabaseBean implements ContactSessionBeanRemote {
  36
  37         /**
  38          * Serial number
  39          */
  40         private static final long serialVersionUID = 542_145_347_916L;
  41
  42         /**
  43          * Default constructor
  44          */
  45         public PizzaContactSessionBean () {
  46         }
  47
  48         @Override
  49         public Contact findContactByEmailAddress (final String emailAddress) throws ContactNotFoundException {
  50                 // Log trace message
  51                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findContactByEmailAddress: emailAddress={1} - CALLED!", this.getClass().getSimpleName(), emailAddress)); //NOI18N
  52
  53                 // The parameter must be valid
  54                 if (null == emailAddress) {
  55                         // Throw NPE
  56                         throw new NullPointerException("emailAddress is null"); //NOI18N
  57                 } else if (emailAddress.isEmpty()) {
  58                         // Not valid
  59                         throw new IllegalArgumentException("emailAddress is empty"); //NOI18N
  60                 }
  61
  62                 // Get query instance
  63                 Query query = this.getEntityManager().createNamedQuery("SearchContactByEmailAddress", UserContact.class); //NOI18N
  64
  65                 // Set parameter
  66                 query.setParameter("emailAddress", emailAddress); //NOI18N
  67
  68                 // Init contact instance
  69                 Contact contact;
  70
  71                 // Try to find a result
  72                 try {
  73                         // Find a single result
  74                         contact = (Contact) query.getSingleResult();
  75
  76                         // Log trace message
  77                         this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findContactByEmailAddress: Found contact={1}", this.getClass().getSimpleName(), contact)); //NOI18N
  78                 } catch (final NoResultException ex) {
  79                         // No result found
  80                         throw new ContactNotFoundException(emailAddress, ex);
  81                 }
  82
  83                 // Log trace message
  84                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findContactByEmailAddress: contact={1} - EXIT!", this.getClass().getSimpleName(), contact)); //NOI18N
  85
  86                 // Return found instance
  87                 return contact;
  88         }
  89
  90         @Override
  91         public Contact findContactById (final Long contactId) throws ContactNotFoundException {
  92                 // Log trace message
  93                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findContactById: contactId={1} - CALLED!", this.getClass().getSimpleName(), contactId)); //NOI18N
  94
  95                 // The parameter must be valid
  96                 if (null == contactId) {
  97                         // Throw NPE
  98                         throw new NullPointerException("contactId is null"); //NOI18N
  99                 } else if (contactId < 1) {
 100                         // Not valid
 101                         throw new IllegalArgumentException(MessageFormat.format("contactId={0} is not valid", contactId)); //NOI18N
 102                 }
 103
 104                 // Get query instance
 105                 Query query = this.getEntityManager().createNamedQuery("SearchContactById", Contact.class); //NOI18N
 106
 107                 // Set parameter
 108                 query.setParameter("contactId", contactId); //NOI18N
 109
 110                 // Init contact instance
 111                 Contact contact;
 112
 113                 // Try to find a result
 114                 try {
 115                         // Find a single result
 116                         contact = (Contact) query.getSingleResult();
 117
 118                         // Log trace message
 119                         this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findContactById: Found contact={1}", this.getClass().getSimpleName(), contact)); //NOI18N
 120                 } catch (final NoResultException ex) {
 121                         // No result found
 122                         throw new ContactNotFoundException(contactId, ex);
 123                 }
 124
 125                 // Log trace message
 126                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.findContactById: contact={1} - EXIT!", this.getClass().getSimpleName(), contact)); //NOI18N
 127
 128                 // Return found instance
 129                 return contact;
 130         }
 131
 132         @Override
 133         @SuppressWarnings ("unchecked")
 134         public List<Contact> getAllContacts () {
 135                 // Log trace message
 136                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.getAllContacts - CALLED!", this.getClass().getSimpleName())); //NOI18N
 137
 138                 // Create query instance
 139                 Query query = this.getEntityManager().createNamedQuery("AllContacts", UserContact.class); //NOI18N
 140
 141                 // Get list
 142                 List<Contact> contacts = query.getResultList();
 143
 144                 // Log trace message
 145                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.getAllContacts: contacts.size()={1} - EXIT!", this.getClass().getSimpleName(), contacts.size())); //NOI18N
 146
 147                 // Return it
 148                 return contacts;
 149         }
 150
 151         @Override
 152         @SuppressWarnings ("unchecked")
 153         public List<String> getEmailAddressList () {
 154                 // Log trace message
 155                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.getEmailAddressList - CALLED!", this.getClass().getSimpleName())); //NOI18N
 156
 157                 // Create query instance
 158                 Query query = this.getEntityManager().createNamedQuery("AllContactEmailAddresses", String.class); //NOI18N
 159
 160                 // Get list
 161                 List<String> emailAddresses = query.getResultList();
 162
 163                 // Log trace message
 164                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.getEmailAddressList: emailAddresses.size()={1} - EXIT!", this.getClass().getSimpleName(), emailAddresses.size())); //NOI18N
 165
 166                 // Return it
 167                 return emailAddresses;
 168         }
 169
 170         @Override
 171         public boolean isEmailAddressRegistered (final String emailAddress) {
 172                 // Log trace message
 173                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isEmailAddressRegistered: emailAddress={1} - CALLED!", this.getClass().getSimpleName(), emailAddress)); //NOI18N
 174
 175                 // The email address should be valid
 176                 if (null == emailAddress) {
 177                         // Is null
 178                         throw new NullPointerException("emailAddress is null"); //NOI18N
 179                 } else if (emailAddress.isEmpty()) {
 180                         // Is empty
 181                         throw new IllegalArgumentException("emailAddress is empty"); //NOI18N
 182                 }
 183
 184                 // Default is not found
 185                 boolean isFound = false;
 186
 187                 try {
 188                         // Ask other method for contact instance
 189                         Contact contact = this.findContactByEmailAddress(emailAddress);
 190
 191                         // Log debug message
 192                         this.getLoggerBeanLocal().logDebug(MessageFormat.format("{0}.isEmailAddressRegistered: Found contact={1} for emailAddress={2}", this.getClass().getSimpleName(), contact, emailAddress)); //NOI18N
 193
 194                         // It is found ...
 195                         isFound = true;
 196                 } catch (final ContactNotFoundException ex) {
 197                         // @TODO Was not found, log exception for spam check?
 198                 }
 199
 200                 // Log trace message
 201                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isEmailAddressRegistered: isFound={1} - EXIT!", this.getClass().getSimpleName(), isFound)); //NOI18N
 202
 203                 // Return status
 204                 return isFound;
 205         }
 206
 207         @Override
 208         public Contact lookupContact (final Contact contact) {
 209                 // Log trace message
 210                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isContactFound: contact={1} - CALLED!", this.getClass().getSimpleName(), contact)); //NOI18N
 211
 212                 // Parameter should be valid
 213                 if (null == contact) {
 214                         // Throw NPE
 215                         throw new NullPointerException("contact is null"); //NOI18N
 216                 } else if ((contact.getContactId() instanceof Long) && (contact.getContactId() > 0)) {
 217                         try {
 218                                 // Id set, ask other method
 219                                 return this.findContactById(contact.getContactId());
 220                         } catch (final ContactNotFoundException ex) {
 221                                 // Not found, should not happen
 222                                 throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is set, but not found.", contact.getContactId()), ex); //NOI18N
 223                         }
 224                 }
 225
 226                 // Default is not found
 227                 Contact foundContact = null;
 228
 229                 // Get whole list
 230                 List<Contact> contacts = this.getAllContacts();
 231
 232                 // Is the list empty?
 233                 if (contacts.isEmpty()) {
 234                         // Then abort here
 235                         this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isContactFound: No contacts registered, returning NULL ...", this.getClass().getSimpleName())); //NOI18N
 236                         return null;
 237                 }
 238
 239                 // Get iterator
 240                 Iterator<Contact> iterator = contacts.iterator();
 241
 242                 // Loop through all
 243                 while (iterator.hasNext()) {
 244                         // Get contact
 245                         Contact next = iterator.next();
 246
 247                         // Debug message
 248                         this.getLoggerBeanLocal().logDebug(MessageFormat.format("lookupContact: next={0}", next)); //NOI18N
 249
 250                         // Is same contact?
 251                         if ((Objects.equals(contact, next)) || (ContactUtils.isSameContact(contact, next))) {
 252                                 // Debug message
 253                                 this.getLoggerBeanLocal().logDebug(MessageFormat.format("{0}.isContactFound: Found same contact: contactId={1}", this.getClass().getSimpleName(), next.getContactId())); //NOI18N
 254
 255                                 // Found it
 256                                 foundContact = next;
 257                                 break;
 258                         }
 259                 }
 260
 261                 // Trace message
 262                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.isContactFound: foundContact={1} - EXIT!", this.getClass().getSimpleName(), foundContact)); //NOI18N
 263
 264                 // Return status
 265                 return foundContact;
 266         }
 267
 268         @Override
 269         public Contact updateContactData (final Contact contact, final boolean isCellphoneUnlinked, final boolean isLandlineUnlinked, final boolean isFaxUnlinked) {
 270                 // Log trace message
 271                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.updateContactData: contact={1},isCellphoneUnlinked={2},isLandlineUnlinked={3},isFaxUnlinked={4} - CALLED!", this.getClass().getSimpleName(), contact, isCellphoneUnlinked, isLandlineUnlinked, isFaxUnlinked)); //NOI18N
 272
 273                 // The contact instance must be valid
 274                 if (null == contact) {
 275                         // Throw NPE again
 276                         throw new NullPointerException("contact is null"); //NOI18N
 277                 } else if (contact.getContactId() == null) {
 278                         // Throw NPE again
 279                         throw new NullPointerException("contact.contactId is null"); //NOI18N //NOI18N
 280                 } else if (contact.getContactId() < 1) {
 281                         // Not valid
 282                         throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is not valid.", contact.getContactId())); //NOI18N
 283                 }
 284
 285                 // Set updated timestamp
 286                 this.setAllContactPhoneEntriesUpdated(contact, isCellphoneUnlinked, isLandlineUnlinked, isFaxUnlinked);
 287
 288                 // Merge cellphone, land-line and fix
 289                 Contact detachedContact = this.mergeContactData(contact);
 290
 291                 // Trace message
 292                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.updateContactData: detachedContact={1} - EXIT!", this.getClass().getSimpleName(), detachedContact)); //NOI18N
 293
 294                 // Return it
 295                 return detachedContact;
 296         }
 297
 298         @Override
 299         public Contact updateContactData (final Contact contact) {
 300                 // Log trace message
 301                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.updateContactData: contact={1} - CALLED!", this.getClass().getSimpleName(), contact)); //NOI18N
 302
 303                 // The contact instance must be valid
 304                 if (null == contact) {
 305                         // Throw NPE again
 306                         throw new NullPointerException("contact is null"); //NOI18N
 307                 } else if (contact.getContactId() == null) {
 308                         // Throw NPE again
 309                         throw new NullPointerException("contact.contactId is null"); //NOI18N //NOI18N
 310                 } else if (contact.getContactId() < 1) {
 311                         // Not valid
 312                         throw new IllegalStateException(MessageFormat.format("contact.contactId={0} is not valid.", contact.getContactId())); //NOI18N
 313                 }
 314
 315                 // Is cell phone/land-line/fax number unlinked?
 316                 boolean isCellphoneUnlinked = (contact.getContactCellphoneNumber() == null);
 317                 boolean isLandLineUnlinked = (contact.getContactLandLineNumber() == null);
 318                 boolean isFaxUnlinked = (contact.getContactFaxNumber() == null);
 319
 320                 // Call other Method
 321                 Contact detachedContact = this.updateContactData(contact, isCellphoneUnlinked, isLandLineUnlinked, isFaxUnlinked);
 322
 323                 // Trace message
 324                 this.getLoggerBeanLocal().logTrace(MessageFormat.format("{0}.updateContactData: detachedContact={1} - EXIT!", this.getClass().getSimpleName(), detachedContact)); //NOI18N
 325
 326                 // Return it
 327                 return detachedContact;
 328         }
 329
 330 }